Printing – Stenciling – Rotary machines
Patent
1998-02-18
2000-08-08
Yan, Ren
Printing
Stenciling
Rotary machines
101116, 271 1003, B41L 1304
Patent
active
060985364
ABSTRACT:
A printer of the type wrapping a master around a print drum and pressing a sheet against the master with the print drum or a press drum is disclosed. A sheet clamper is arranged on the press drum. A timing sensing device for allowing the leading edge of the sheet to be fed toward the sheet clamper at a preselecting timing is arranged on the press drum or a member associated therewith. With this configuration, the printer causes the sheet clamper to surely clamp the leading edge of the sheet and prevents the sheet from rolling up. In addition, the printer feeds the sheet at a preselected timing with stability and reliability and thereby enhances accurate registration.
REFERENCES:
patent: 4911069 (1990-03-01), Hayama et al.
patent: 5415387 (1995-05-01), Suzuki
patent: 5931090 (1999-08-01), Ohkawa
English translation of JP 5-330225.
Tohoku Ricoh Co. Ltd.
Yan Ren
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